/*
 *  Copyright 2011 Yuri Kanivets
 *
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *
 *  http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 */
package com.meichis.mcsappframework.wheel.adapters;

import android.content.Context;

import java.lang.reflect.Method;
import java.util.ArrayList;

/**
 * The simple Array wheel adapter
 *
 * @param <T> the element type
 */
public class ArrayWheelAdapter<T> extends AbstractWheelTextAdapter {

    // items
    private ArrayList<T> items;
    private String TextData;
    /**
     * Constructor
     *
     * @param context the current context
     * @param items   the items
     */
    public ArrayWheelAdapter(Context context, ArrayList<T> items, String dTextData) {
        super(context);
        TextData=dTextData;
        // setEmptyItemResource(TEXT_VIEW_ITEM_RESOURCE);
        this.items = items;
    }

    @Override
    public CharSequence getItemText(int position) {
        if (position >= 0 && position < items.size()) {
            String item = "";
            if (items.get(position) instanceof CharSequence) {//字符串
                item = items.get(position).toString();
            } else {//实体类
                Class<? extends Object> objClazz = items.get(position).getClass();
                Method fieldGetMet;
                try {
                    fieldGetMet = objClazz.getMethod("get" + TextData, new Class[]{});

                    Object fieldVal = fieldGetMet.invoke(items.get(position), new Object[]{});
                    if (fieldVal != null) {
                        item = String.valueOf(fieldVal);
                    }
                } catch (Exception e) {
                    // TODO Auto-generated catch block
                    e.printStackTrace();
                }
            }
            return item.toString();
        }
        return null;
    }

    @Override
    public int getItemsCount() {
        return items.size();
    }
}
